EP1905155A4 - Agc circuit for the reduction of harmonics in the drive signal - Google Patents
Agc circuit for the reduction of harmonics in the drive signalInfo
- Publication number
- EP1905155A4 EP1905155A4 EP06771326A EP06771326A EP1905155A4 EP 1905155 A4 EP1905155 A4 EP 1905155A4 EP 06771326 A EP06771326 A EP 06771326A EP 06771326 A EP06771326 A EP 06771326A EP 1905155 A4 EP1905155 A4 EP 1905155A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- harmonics
- reduction
- drive signal
- agc circuit
- agc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
- G01C19/5776—Signal processing not specific to any of the devices covered by groups G01C19/5607 - G01C19/5719
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/182,619 US7411465B2 (en) | 2005-07-15 | 2005-07-15 | AGC circuit for the reduction of harmonics in the drive signal |
PCT/US2006/020491 WO2007011454A2 (en) | 2005-07-15 | 2006-05-25 | Agc circuit for the reduction of harmonics in the drive signal |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1905155A2 EP1905155A2 (en) | 2008-04-02 |
EP1905155A4 true EP1905155A4 (en) | 2011-09-14 |
EP1905155B1 EP1905155B1 (en) | 2012-12-05 |
Family
ID=37669302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06771326A Not-in-force EP1905155B1 (en) | 2005-07-15 | 2006-05-25 | Agc circuit for the reduction of harmonics in the drive signal |
Country Status (4)
Country | Link |
---|---|
US (1) | US7411465B2 (en) |
EP (1) | EP1905155B1 (en) |
JP (1) | JP5153625B2 (en) |
WO (1) | WO2007011454A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8661898B2 (en) | 2008-10-14 | 2014-03-04 | Watson Industries, Inc. | Vibrating structural gyroscope with quadrature control |
US20120254803A1 (en) * | 2011-03-29 | 2012-10-04 | Intersil Americas Inc. | Switch multiplexer devices with embedded digital sequencers |
ITTO20110685A1 (en) * | 2011-07-28 | 2013-01-29 | St Microelectronics Srl | MICROELETTROMECHANICAL GYROSCOPE WITH PERFECT READING STAGE, AND METHOD |
DE102011119949A1 (en) | 2011-12-01 | 2013-06-06 | Northrop Grumman Litef Gmbh | Control device, rotation rate sensor and method for operating a control device with harmonic setpoint signal |
US9503295B2 (en) | 2012-11-06 | 2016-11-22 | Freescale Semiconductor, Inc. | Method and apparatus for generating a proof-mass drive signal |
US9459100B2 (en) * | 2014-05-21 | 2016-10-04 | Robert Bosch Gmbh | Stepped sinusoidal drive for vibratory gyroscopes |
CN103986565B (en) * | 2014-06-06 | 2017-05-24 | 中国电子科技集团公司第五十四研究所 | Wireless low-jitter transmission method of clock signal |
US11466986B2 (en) * | 2017-12-14 | 2022-10-11 | Invensense, Inc. | Microelectromechanical systems (MEMS) gyroscope sense frequency tracking |
US11106317B1 (en) * | 2020-04-14 | 2021-08-31 | Synaptics Incorporated | Common mode noise suppression with restoration of common mode signal |
US11914820B2 (en) * | 2020-04-14 | 2024-02-27 | Synaptics Incorporated | Distributed analog display noise suppression circuit |
IT202100014621A1 (en) * | 2021-06-04 | 2022-12-04 | St Microelectronics Srl | Inertial measurement circuit, corresponding device and procedure |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5074403A (en) * | 1989-05-08 | 1991-12-24 | K-Tron Technologies, Inc. | Apparatus and method for two loop control of vibratory material feeders |
US6013048A (en) * | 1997-11-07 | 2000-01-11 | Mentor Corporation | Ultrasonic assisted liposuction system |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3988659A (en) * | 1966-02-23 | 1976-10-26 | Lear Siegler, Inc. | Meridian seeking instrument |
US3659175A (en) * | 1970-06-08 | 1972-04-25 | Information Storage Systems | Circuit to prevent oscillation in an electronic servosystem |
US3979715A (en) * | 1974-08-28 | 1976-09-07 | Texas Instruments Incorporated | Method and system for achieving vibrator phase lock |
US3994016A (en) * | 1975-03-31 | 1976-11-23 | Honeywell Information Systems, Inc. | Head positioning servo system for disk drives |
US4157041A (en) * | 1978-05-22 | 1979-06-05 | General Motors Corporation | Sonic vibrating bell gyro |
US4479098A (en) * | 1981-07-06 | 1984-10-23 | Watson Industries, Inc. | Circuit for tracking and maintaining drive of actuator/mass at resonance |
US4628734A (en) * | 1982-01-21 | 1986-12-16 | Watson Industries, Inc. | Angular rate sensor apparatus |
US4595960A (en) * | 1982-11-03 | 1986-06-17 | Rca Corporation | Phase-reversed dithered automatic scan tracking system |
US4578650A (en) * | 1983-06-15 | 1986-03-25 | Watson Industries, Inc. | Resonance drive oscillator circuit |
US4511848A (en) * | 1983-06-15 | 1985-04-16 | Watson Industries, Inc. | Synchronous AM demodulator with quadrature signal cancellation |
GB8404668D0 (en) * | 1984-02-22 | 1984-03-28 | Burdess J S | Gyroscopic devices |
US4674331A (en) * | 1984-07-27 | 1987-06-23 | Watson Industries Inc. | Angular rate sensor |
US4700056A (en) * | 1985-11-13 | 1987-10-13 | Optotech, Inc. | Objective lens focus initialization system |
DE69102590T2 (en) * | 1990-05-18 | 1994-10-06 | British Aerospace | Inertial sensors. |
US5270648A (en) * | 1990-08-10 | 1993-12-14 | Watson Industries, Inc. | Single core triaxial flux-gate magnetometer |
US5329269A (en) * | 1990-08-10 | 1994-07-12 | Watson William S | Single core triaxial flux-gate magnetometer |
US5272922A (en) * | 1991-03-06 | 1993-12-28 | Watson Industries, Inc. | Vibrating element angular rate sensor system and north seeking gyroscope embodiment thereof |
US5889670A (en) * | 1991-10-24 | 1999-03-30 | Immersion Corporation | Method and apparatus for tactilely responsive user interface |
EP0543654B1 (en) * | 1991-11-22 | 1998-10-28 | Fujitsu Limited | Positioning control system |
US5430342A (en) * | 1993-04-27 | 1995-07-04 | Watson Industries, Inc. | Single bar type vibrating element angular rate sensor system |
US5440817A (en) * | 1993-05-19 | 1995-08-15 | Watson; William S. | Vertical reference and attitude system |
JP3453721B2 (en) * | 1994-06-09 | 2003-10-06 | アイシン精機株式会社 | Vibrator drive circuit |
JPH0829181A (en) * | 1994-07-20 | 1996-02-02 | Akai Electric Co Ltd | Vibration control apparatus |
US5802728A (en) * | 1995-08-17 | 1998-09-08 | Watson Industries, Inc. | Liquid level and angle detector |
JP3211187B2 (en) * | 1998-04-13 | 2001-09-25 | 日本航空電子工業株式会社 | Optical interference angular velocity meter |
JP2000088580A (en) * | 1998-09-14 | 2000-03-31 | Alps Electric Co Ltd | Silicon gyro |
JP2000292172A (en) * | 1999-04-09 | 2000-10-20 | Alps Electric Co Ltd | Driving and detecting device for piezoelectric vibrator |
US6272925B1 (en) * | 1999-09-16 | 2001-08-14 | William S. Watson | High Q angular rate sensing gyroscope |
US6845667B1 (en) * | 1999-09-16 | 2005-01-25 | Watson Industries, Inc. | High Q angular rate sensing gyroscope |
US7092265B2 (en) * | 2002-11-14 | 2006-08-15 | Fyre Storm, Inc. | Switching power converter controller |
JP3992006B2 (en) * | 2003-03-27 | 2007-10-17 | 株式会社デンソー | Vibration type micro gyro sensor |
JP4325422B2 (en) * | 2004-02-05 | 2009-09-02 | ソニー株式会社 | Demodulator, disk drive device, and phase adjustment method |
JP2006177893A (en) * | 2004-12-24 | 2006-07-06 | Japan Aviation Electronics Industry Ltd | Optical interference angular velocimeter |
-
2005
- 2005-07-15 US US11/182,619 patent/US7411465B2/en not_active Expired - Fee Related
-
2006
- 2006-05-25 EP EP06771326A patent/EP1905155B1/en not_active Not-in-force
- 2006-05-25 WO PCT/US2006/020491 patent/WO2007011454A2/en active Application Filing
- 2006-05-25 JP JP2008521384A patent/JP5153625B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5074403A (en) * | 1989-05-08 | 1991-12-24 | K-Tron Technologies, Inc. | Apparatus and method for two loop control of vibratory material feeders |
US6013048A (en) * | 1997-11-07 | 2000-01-11 | Mentor Corporation | Ultrasonic assisted liposuction system |
Also Published As
Publication number | Publication date |
---|---|
JP2009501337A (en) | 2009-01-15 |
WO2007011454A3 (en) | 2007-03-22 |
EP1905155A2 (en) | 2008-04-02 |
US20070052456A1 (en) | 2007-03-08 |
US7411465B2 (en) | 2008-08-12 |
EP1905155B1 (en) | 2012-12-05 |
JP5153625B2 (en) | 2013-02-27 |
WO2007011454A2 (en) | 2007-01-25 |
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